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- win32 applications get the whole command line in one long string.

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Add a new function "split_string_into_argv" that chops up the
  string into individual args, and understands the rules of single
  and double quotes.
This commit is contained in:
Bryce Denney 2002-11-14 05:12:28 +00:00
parent edf1b23a05
commit 8d7da6be35
1 changed files with 85 additions and 8 deletions
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93
bochs/main.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: main.cc,v 1.177 2002-11-11 17:09:50 cbothamy Exp $
// $Id: main.cc,v 1.178 2002-11-14 05:12:28 bdenney Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -1444,6 +1444,87 @@ int bxmain () {
}
#if defined(__WXMSW__)
#define MAX_ARGLEN 128
// win32 applications get the whole command line in one long string.
// This function is used to split up the string into argc and argv,
// so that the command line can be used on win32 just like on every
// other platform.
int split_string_into_argv (
char *string,
int *argc_out,
char **argv,
int max_argv)
{
char *buf0 = new char[strlen(string)+1];
strcpy (buf0, string);
char *buf = buf0;
int in_double_quote = 0, in_single_quote = 0;
for (int i=0; i<max_argv; i++)
argv[i] = NULL;
argv[0] = new char[6];
strcpy (argv[0], "bochs");
int argc = 1;
argv[argc] = new char[MAX_ARGLEN];
char *outp = &argv[argc][0];
// trim leading and trailing spaces
while (*buf==' ') buf++;
char *p;
char *last_nonspace = buf;
for (p=buf; *p; p++) {
if (*p!=' ') last_nonspace = p;
}
*(last_nonspace+1) = 0;
p = buf;
while (*p) {
fprintf (stderr, "parsing '%c' with singlequote=%d, dblquote=%d", *p, in_single_quote, in_double_quote);
switch (*p) {
case ' ':
if (in_double_quote || in_single_quote)
goto do_default;
*outp = 0;
fprintf (stderr, "completed arg %d = '%s'", argc, argv[argc]);
argc++;
if (argc >= max_argv) {
fprintf (stderr, "too many arguments. Increase MAX_ARGUMENTS");
return -1;
}
argv[argc] = new char[MAX_ARGLEN];
outp = &argv[argc][0];
while (*p==' ') p++;
break;
case '"':
if (in_single_quote) goto do_default;
in_double_quote = !in_double_quote;
p++;
break;
case '\'':
if (in_double_quote) goto do_default;
in_single_quote = !in_single_quote;
p++;
break;
do_default:
default:
if (outp-&argv[argc][0] >= MAX_ARGLEN) {
fprintf (stderr, "command line arg %d exceeded max size %d", argc, MAX_ARGLEN);
return -1;
}
*(outp++) = *(p++);
}
}
if (in_single_quote) {
fprintf (stderr, "end of string with mismatched single quote (')");
return -1;
}
if (in_double_quote) {
fprintf (stderr, "end of string with mismatched double quote (\")");
return -1;
}
*argc_out = argc + 1;
return 0;
}
extern "C" int WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
@ -1453,13 +1534,9 @@ extern "C" int WinMain(
bx_startup_flags.hPrevInstance = hPrevInstance;
bx_startup_flags.m_lpCmdLine = m_lpCmdLine;
bx_startup_flags.nCmdShow = nCmdShow;
#ifdef __GNUC__
#warning should split m_lpCmdLine and fill argc,argv for real.
#endif
// make fake argc,argv.
bx_startup_flags.argc=1;
static char *my_argv[] = {"bochs"};
bx_startup_flags.argv=my_argv;
int max_argv = 20;
bx_startup_flags.argv = (char**) malloc (max_argv * sizeof (char*));
split_string_into_argv (m_lpCmdLine, &bx_startup_flags.argc, bx_startup_flags.argv, max_argv);
return bxmain ();
}
#else